[Code of Federal Regulations]
[Title 21, Volume 3]
[Revised as of April 1, 2002]
From the U.S. Government Printing Office via GPO Access
[CITE: 21CFR172.230]

[Page 37-38]
 
                        TITLE 21--FOOD AND DRUGS
 
CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN 
                          SERVICES (CONTINUED)
 
PART 172--FOOD ADDITIVES PERMITTED FOR DIRECT ADDITION TO FOOD FOR HUMAN CONSUMPTION--Table of Contents
 
            Subpart C--Coatings, Films and Related Substances
 
Sec. 172.230  Microcapsules for flavoring substances.

    Microcapsules may be safely used for encapsulating discrete 
particles of flavoring substances that are generally recognized as safe 
for their intended use or are regulated under this part, in accordance 
with the following conditions:
    (a) The microcapsules may be formulated from the following 
components, each used in the minimum quantity required to accomplish the 
intended effect:
    (1) Substances generally recognized as safe for the purpose.
    (2) One or more of the following components:

                        component and limitations

Succinylated gelatin--Not to exceed 15 percent by combined weight of the 
microcapsule and flavoring oil. Succinic acid content of the gelatin is 
4.5 to 5.5 percent.
Arabinogalactan--Complying with Sec. 172.610; as adjuvant.
Silicon dioxide--Complying with Sec. 172.480; as adjuvant.

    (3) In lieu of the components listed in paragraph (a)(2) of this 
section, the following components:


[[Page 38]]



                        component and limitations

Glutaraldehyde--As cross-linking agent for insolubilizing a coacervate 
of gum arabic and gelatin.
n-Octyl alcohol--As a defoamer.

    (4) In lieu of the components listed in paragraphs (a)(2) and (3) of 
this section, the following component:

                        component and limitations

Petroleum wax--Complying with Sec. 172.886. Not to exceed 50 percent by 
combined weight of the microcapsule and spice-flavoring substance.

    (b) The microcapsules produced from the components listed in 
paragraphs (a) (1), (2), and (3) of this section may be used for 
encapsulating authorized flavoring oils for use, in accordance with good 
manufacturing practice, in foods for which standards of identity 
established under section 401 of the Act do not preclude such use, 
except that microcapsules formulated from components listed in paragraph 
(a)(2) of this section may be used only for encapsulating lemon oil, 
distilled lime oil, orange oil, peppermint oil, and spearmint oil for 
use in dry mixes for puddings and gelatin desserts.
    (c) The microcapsules produced from the components listed in 
paragraphs (a) (1) and (4) of this section may be used only for 
encapsulating authorized spice-flavoring substances for use, in 
accordance with good manufacturing practice, in frozen pizzas which are 
to be further processed by heat. Such pizzas shall bear labels or 
labeling including adequate directions for use to ensure heating to 
temperatures which will melt the wax to release the spice-flavoring 
substances.

[45 FR 48123, July 18, 1980]